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Shopify Stores Built to Sell More

Custom Online Store 2.0 themes, Shopify apps and headless storefronts, plus migrations from other platforms without losing products, customers or rankings.

Shopify development for brands ready to grow

Shopify is a hosted commerce platform that handles checkout, payments, hosting and security, so brands can focus on products and marketing. Out of the box it gets a store online quickly, but growing brands soon need more: a theme that reflects the brand, custom product options, subscription logic, B2B pricing, faster pages and integrations with ERP, inventory and marketing tools.

Shopify is the right choice for most direct-to-consumer brands and growing retailers who want reliable checkout without managing servers. WooCommerce suits businesses that want full ownership and deep WordPress content, while Magento suits very large catalogues and complex B2B rules. If you are unsure, we compare total cost, apps and flexibility for your catalogue during the free consultation.

Nexzem builds Online Store 2.0 themes with editable sections, custom Shopify apps for logic the app store cannot cover, and headless storefronts with Hydrogen or Next.js when speed and design freedom justify it. Every build is tested on mobile first, because that is where most of your customers will shop.

Shape the storefront

Toggle theme sections and pick a colour scheme, the way merchants do in the Online Store 2.0 theme editor.

What we build with Shopify

Custom Shopify themes, apps and headless storefronts that turn more visitors into paying customers.

  1. 01

    Custom Theme Development

    Online Store 2.0 themes built from your designs with flexible sections and metafields, so merchandisers can change pages without touching code.

  2. 02

    Theme Customisation

    Targeted changes to existing themes such as product page layouts, bundles, size guides and upsells, without rebuilding the whole store.

  3. 03

    Shopify App Development

    Private and public apps for custom pricing, B2B ordering, loyalty, subscriptions or ERP sync, built on Shopify APIs and app extensions.

  4. 04

    Headless Shopify Storefronts

    Hydrogen or Next.js storefronts on Shopify's Storefront API for brands that need maximum page speed and complete design freedom.

  5. 05

    Platform Migration

    Moves from WooCommerce, Magento or custom platforms with products, customers, order history and URL redirects transferred, then verified against the old store before launch.

  6. 06

    Shopify Plus Checkout

    Checkout extensions, Shopify Functions for discounts and shipping rules, and B2B features configured for high-volume Plus merchants with custom rules per market or customer group.

  7. 07

    Integrations

    Connections to ERPs, warehouses, accounting software, Razorpay, WhatsApp notifications and marketing platforms, with reliable order and stock sync.

  8. 08

    Speed and Conversion Fixes

    App cleanup, image and script optimisation and UX fixes on product and cart pages that make the store faster and easier to buy from.

Why teams pick Nexzem for Shopify

The checks every engagement has to pass before we call it done.

.github/PULL_REQUEST_TEMPLATE.md5/5 checked

  • - [x] Brand-first storefront

    A custom theme sets you apart from stores built on the same template.

  • - [x] Merchandisers stay independent

    Sections and metafields let your team update pages and campaigns without developers.

  • - [x] Fewer paid apps

    Custom code replaces stacks of overlapping apps that slow the store and add monthly fees.

  • - [x] Mobile-first builds

    Every template is designed and tested for small screens first.

  • - [x] Clean migrations

    Data and URL mapping protect orders, customer accounts and search rankings during a move.

Shopify Plus: when the upgrade pays off

Shopify Plus targets high-volume and complex merchants. The upgrade makes sense when you need deeper checkout customization through checkout extensibility, built-in B2B features such as company accounts, price lists and payment terms, multiple expansion stores for brands or regions, higher API limits for integrations and dedicated support. For many growing brands, standard plans with good apps and custom development are enough.

Shopify Functions let developers customize backend logic, such as discounts, shipping options, payment methods and cart validation, with code that runs inside Shopify's infrastructure. Some capabilities are available on all plans, while others, including certain checkout customizations, require Plus, so map requirements against plan features before deciding.

If you are still choosing a platform, our Shopify vs WooCommerce comparison explains the trade-offs between a hosted platform and a self-hosted one, including fees, flexibility and maintenance responsibilities. It also covers when each platform becomes expensive to run as order volumes and catalog complexity grow.

How we build Shopify themes and apps

Themes follow Online Store 2.0 architecture, with sections and blocks on every template so merchants can rearrange pages without code. Structured content such as size guides, ingredients or specifications lives in metafields and metaobjects rather than hard-coded text. Theme code is versioned in GitHub, developed with the Shopify CLI and deployed through preview themes reviewed before publishing.

Custom apps use Shopify's Admin GraphQL API, webhooks for order and inventory events, and theme app extensions to add storefront features without editing theme code. Performance budgets keep scripts and images lean, since every app and tracking tag affects page speed and conversion.

Testing covers more than the storefront. We check theme changes across devices, test checkout flows with real payment methods in development stores, and verify that apps, tracking and integrations still work after every theme or app update, since small changes can break revenue-critical paths unnoticed.

  • Sections and blocks for merchant-editable layouts.
  • Metafields and metaobjects for structured product content.
  • Theme code in Git with preview environments.
  • Theme app extensions instead of direct theme edits.
  • Performance checks before every theme release.

Common Shopify pitfalls

The most common problem is app overload. Each installed app may add scripts to every page, slow the store and conflict with others, and uninstalled apps can leave code behind in the theme. Auditing apps regularly and replacing several overlapping apps with one custom solution often improves speed and reduces monthly fees at the same time.

Other pitfalls include relying on deprecated checkout customization methods instead of checkout extensibility, poorly planned migrations that lose URLs and rankings, and inventory that drifts out of sync with warehouses or ERPs. Each is avoidable with planning and the right integration approach.

  • Audit installed apps and remove unused code from themes.
  • Use checkout extensibility for checkout customizations.
  • Map and redirect every old URL during migration.
  • Sync inventory through reliable, monitored integrations.

How Shopify projects run

$ git log --graph --oneline main..delivery

  1. e7c61c2

    feat: store audit and goals

    We review your catalogue, apps, theme, analytics and conversion bottlenecks.

  2. 59350f1

    feat: UX and design

    Mobile-first designs for home, collection, product and cart pages.

  3. a729525

    feat: build on a dev store

    Theme, apps and integrations developed and previewed safely before launch.

  4. 73c2cec

    feat: test and launch

    Order flows, payments, tax and shipping tested, then go-live with redirects in place.

  5. dc02ae8

    merge: optimise

    Post-launch speed, analytics review and conversion improvements on a monthly plan.

What teams build with Shopify

  • D2C brand migrating from WooCommerce

    A growing direct-to-consumer brand moves products, customers and order history from WooCommerce to Shopify, preserves URLs with redirects, rebuilds its theme for speed and removes the burden of plugin and hosting maintenance.

  • B2B wholesale store on Shopify Plus

    A manufacturer sells to retailers through company accounts with negotiated price lists, quantity rules and payment terms, alongside its consumer store, managing both channels, inventory and reporting from one Shopify admin.

  • Custom bundle builder

    Customers build their own product bundles on the storefront, and Shopify Functions apply tiered discounts and validation rules in the cart and checkout, without fragile scripts or third-party apps slowing the store.

  • ERP inventory and order sync

    A custom app synchronizes inventory, prices and orders between Shopify and the company's ERP through webhooks and scheduled jobs, with error alerts and dashboards so operations staff trust the stock figures.

  • International store with local markets

    A brand sells in several countries from one store with local currencies, languages, prices and domains through Shopify Markets, with region-specific content and shipping rules managed centrally by the team.

Where Shopify sits in your stack

The tools we pair it with, layer by layer. Select a layer to see what it is responsible for.

Shopify development FAQs

Something else on your mind? Ask a consultant and get a reply within one business day.

Shopify, WooCommerce or Magento: which fits us?

Shopify suits most growing brands that want reliable hosted checkout. WooCommerce suits businesses that want full ownership and strong WordPress content. Magento suits large catalogues and complex B2B pricing. We recommend based on catalogue size, budget and integrations.

What does Shopify development cost?

Cost depends on whether you need a custom theme or customisation, number of templates, custom apps, integrations, migration volume and Shopify Plus features. A fixed quote follows a free consultation.

Can you migrate our store without losing SEO?

Yes. We migrate products, customers and orders, set redirects for every old URL and check that metadata and structured data carry over.

Is headless Shopify worth it?

Headless helps when you need very fast pages, complex content or custom experiences. It adds build and maintenance cost, so for many stores a well-built theme is the better investment. We help you decide honestly.

Do you offer ongoing Shopify support?

Yes. Monthly support covers theme changes, app updates, campaign pages, speed checks and new features as your store grows.

What are Shopify Functions?

Shopify Functions let developers customize parts of Shopify's backend logic, such as discounts, shipping and payment options and cart validation, by deploying code that runs on Shopify's infrastructure. They replace older script-based customizations and run quickly at checkout without external servers.

Do we need Shopify Plus?

Not always. Plus makes sense for high sales volume, deeper checkout customization, B2B wholesale, multiple expansion stores or heavy integrations needing higher API limits. Many brands run successfully on standard plans, so we compare your requirements and costs against plan features first.

We work with clients across the USA, UK, Australia, UAE, New Zealand and India.

Where we work

Tell us what you're building.

A solutions consultant replies within one business day with a recommended stack, a rough estimate and a suggested team.